*, *:before, *:after {
  box-sizing: border-box;
}

.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
}

.clearfix:after {
  clear: both;
}

.clearfix {
  /* *zoom: 1; */
}
/* 自定义滚动条整体样式 */
::-webkit-scrollbar {
  width: 3px;
}

/* 滚动条轨道 */
::-webkit-scrollbar-track {
  background: none;
}

/* 滚动条滑块 */
::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 10px;
}

/* 滑块悬停 */
::-webkit-scrollbar-thumb:hover {
  background: #555;
}
body {
  /* background-color: #D6E1E5; */
  color: #6B7072;
  font-size: 100%;
  margin-bottom: 1em;
}
@media only screen and (min-width: 700px) {
  body {
    font-size: 110%;
  }
}
@media only screen and (min-width: 800px) {
  body {
    font-size: 120%;
  }
}

h1, h2, p {
  padding: 0 28px;
  line-height: 1.75;
  margin: 0 auto;
  max-width: 500px;
}
@media only screen and (min-width: 800px) {
  h1, h2, p {
    padding: 0 100px;
  }
}

h1, h2 {
  font-family: 'Open Sans';
  font-weight: 300;
  font-size: 250%;
  line-height: 1.5;
}

h1 {
  margin-top: 1.5em;
  margin-bottom: 1.5em;
  color: #DB5B33;
}

h2 {
  font-size: 1.25rem;
  margin-top: 0.2em;
  margin-bottom: 0.2em;
  color: #4c9bfd;
  font-weight: 600;
}

p {
  font-family: 'Merriweather';
  font-weight: 300;
  font-size: 0.8em;
  margin-top: 0.2em;
  margin-bottom: 0.2em;
  color: #e3e3e3;
}
.dian::before {
    content: "•";
    color: #dddddd;
    font-size: 1.2em;
    margin-right: 0.2rem;
}
 
a {
  color: #2d2f30;
  text-decoration: underline;
  transition: color 100ms ease-in;
}
a:hover, a:focus {
  color: #DB5B33;
}

.progressbar {
  display: none;
  /* margin: 4em 0; */
}
@media only screen and (min-width: 510px) {
  .progressbar {
    display: block;
  }
}
.progressbar .shim {
  display: none;
  width: 100%;
}
.progressbar .holder {
  position: relative;
  font-size: 85%;
  padding: 0 0 0 0;
  background-color: #101129;
  /* box-shadow: 0 0.5em 1.5em #2c2c2c; */
}
@media only screen and (min-width: 750px) {
  .progressbar .holder {
    font-size: 90%;
  }
}
@media only screen and (min-width: 900px) {
  .progressbar .holder {
    font-size: 95%;
  }
}
.progressbar .holder .bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #466183;
}
.progressbar .holder .bar .indicator {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background-color: #ffa600;
}
.progressbar .holder .labels {
  /* max-width: 400px; */
  margin: 0 auto;
  padding: 0 2em;
  text-align: center;
}
.progressbar .holder .labels i {
  display: block;
  position: relative;
  float: left;
  cursor: pointer;
  padding: 10px 0 0 0 ;
}
.progressbar .holder .labels i::before {
  position: absolute;
  bottom: 0;
  left: 50%;
  display: block;
  content: '';
  width: .9em;
  height: .9em;
  border-radius: 50%;
  border: solid 3px #a3c6f2;
  background-color: #2b2d2e;
  -webkit-transform: translateX(-50%) translateY(50%);
          transform: translateX(-50%) translateY(50%);
  transition: border-color 100ms ease-in, background-color 150ms ease-in;
}
.progressbar .holder .labels i::after {
  display: block;
  content: attr(data-label);
  position: relative;
  top: 0;
  padding-bottom: 0.8em;
  font-family: 'Open Sans';
  font-weight: 400;
  color: #d3d3d3;
  transition: color 150ms ease-in, top 100ms ease-out;
}
.progressbar .holder .labels i:hover::before, .progressbar .holder .labels i:focus::before {
  background-color: #B6D1DA;
}
.progressbar .holder .labels i:hover::after, .progressbar .holder .labels i:focus::after {
  top: -.2em;
}
.progressbar .holder .labels i.read::before {
  border-color: #008eff;
}
.progressbar .holder .labels i.read:hover::before, .progressbar .holder .labels i.read:focus::before {
  background-color: #ff9800;
}
.progressbar .holder .labels i.reading::after {
  color: #4995f4;
}
.progressbar .holder .labels i.reading:hover::after, .progressbar .holder .labels i.reading:focus::after {
  top: 0;
}
.progressbar.fixed .holder {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
}
.progressbar.fixed .shim {
  display: block;
}